> Hi, > > This patch set reflects the most of ratified 'E' base ISAs and > draft/pre-draft RVE ABIs, ILP32E and LP64E. > > RV32E / RV64E (ratified): The latest RISC-V ISA Manual > > ILP32E (draft): RISCV ABIs Specification version 1.0 > > LP64E (pre-draft): Submission to add RVE API corresponding RV64E > > > Adding pre-draft LP64E would be a problem on GCC but I bet not on Binutils > (ELF flags [to handle on Binutils/GAS] are not very detailed). > > Note that this patch set does not reflect the version number of the 'E' base > ISA (ratified version 2.0) because the latest ratified specification, > "20191213", comes with the draft version 1.9 and adding the version 2.0 with > ISA_SPEC_CLASS_DRAFT does not work (due to the default value of > `DEFAULT_RISCV_ISA_SPEC'; note that it cannot be set to "draft"). > > I think the next unprivileged ISA specification release is the best timing > to add 'E' version 2.0 (along with new ISA_SPEC_CLASS_20??????). > > Thanks, > Tsukasa > Hi Tsukasa, There was an earlier RFC submission by Palmer Dabbelt one years ago, https://sourceware.org/pipermail/binutils/2022-July/121785.html would you like to contact Palmer to move forward with this work? > > > Tsukasa OI (2): > RISC-V: Remove RV64E conflict > RISC-V: Add "lp64e" ABI support > > bfd/elfxx-riscv.c | 7 ------- > gas/config/tc-riscv.c | 4 +++- > gas/doc/c-riscv.texi | 5 ++--- > gas/testsuite/gas/riscv/mabi-fail-rv32e-lp64d.l | 2 +- > gas/testsuite/gas/riscv/mabi-fail-rv32e-lp64f.l | 2 +- > gas/testsuite/gas/riscv/mabi-fail-rv32e-lp64q.l | 2 +- > gas/testsuite/gas/riscv/march-fail-base-02.d | 3 --- > gas/testsuite/gas/riscv/march-fail-base-02.l | 2 -- > 8 files changed, 8 insertions(+), 19 deletions(-) > delete mode 100644 gas/testsuite/gas/riscv/march-fail-base-02.d > delete mode 100644 gas/testsuite/gas/riscv/march-fail-base-02.l > > > base-commit: 3dfee72010248aca5932a27b4c34d3b79ab9f057 > -- > 2.41.0